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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
24/10/2019 |
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Data da última atualização: |
06/01/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
POTTS, J. R.; FAGAN, W. F.; MOURAO, G. de M. |
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Afiliação: |
JONATHAN R. POTTS, UNIVERSITY OF SHEFFIELD; WILLIAM F. FAGAN, UNIVERSITY OF MARYLAND COLLEGE PARK; GUILHERME DE MIRANDA MOURAO, CPAP. |
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Título: |
Deciding when to intrude on a neighbour: quantifying behavioural mechanisms for temporary territory expansion. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Theoretical Ecology, v. 12, p. 307-318, 2019. |
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DOI: |
10.1007/s12080-018-0396-x |
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Idioma: |
Inglês |
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Notas: |
Na publicação: Guilherme Mourão. |
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Conteúdo: |
Flexible territorial structures are common to a variety of animal populations. When resources are abundant, animals can maintain relatively fixed territory boundaries. However, if resources decline, animals may have to intrude temporarily into a neighbour's territory to secure enough food for survival. Although such intrusions may be necessary, they take time away from foraging and can lead to costly conflicts, resulting in a behavioural trade-off. Here, we examine this trade-off using a spatially explicit, energy-based movement model inspired by observations of giant otters. We uncover conditions under which temporary neighbour intrusions are beneficial. We show that, under certain circumstances, this benefit is sufficient for allowing territorial groups to survive in perpetuity, when otherwise they would be forced to disperse or die. Our model also reveals plausible mechanisms behind a variety of observed phenomena, including the emergence of intermediate-sized territorial groups, territorial fission/fusion dynamics, and the employment of multiple methods for advertising territories (e.g. vocal and olfactory). Although we focus our modelling on giant otters, the behavioural mechanisms it describes are quite general, having been observed across a wide range of taxa, including birds, fish and mammals. Our model therefore serves as a general theoretical test-bed for understanding temporary territory expansion. |
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Palavras-Chave: |
Giant otters. |
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Thesagro: |
Comportamento Animal; Lontra. |
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Thesaurus Nal: |
Animal behavior; Territoriality. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02146naa a2200229 a 4500
001 2113472
005 2020-01-06
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1007/s12080-018-0396-x$2DOI
100 1 $aPOTTS, J. R.
245 $aDeciding when to intrude on a neighbour$bquantifying behavioural mechanisms for temporary territory expansion.$h[electronic resource]
260 $c2019
500 $aNa publicação: Guilherme Mourão.
520 $aFlexible territorial structures are common to a variety of animal populations. When resources are abundant, animals can maintain relatively fixed territory boundaries. However, if resources decline, animals may have to intrude temporarily into a neighbour's territory to secure enough food for survival. Although such intrusions may be necessary, they take time away from foraging and can lead to costly conflicts, resulting in a behavioural trade-off. Here, we examine this trade-off using a spatially explicit, energy-based movement model inspired by observations of giant otters. We uncover conditions under which temporary neighbour intrusions are beneficial. We show that, under certain circumstances, this benefit is sufficient for allowing territorial groups to survive in perpetuity, when otherwise they would be forced to disperse or die. Our model also reveals plausible mechanisms behind a variety of observed phenomena, including the emergence of intermediate-sized territorial groups, territorial fission/fusion dynamics, and the employment of multiple methods for advertising territories (e.g. vocal and olfactory). Although we focus our modelling on giant otters, the behavioural mechanisms it describes are quite general, having been observed across a wide range of taxa, including birds, fish and mammals. Our model therefore serves as a general theoretical test-bed for understanding temporary territory expansion.
650 $aAnimal behavior
650 $aTerritoriality
650 $aComportamento Animal
650 $aLontra
653 $aGiant otters
700 1 $aFAGAN, W. F.
700 1 $aMOURAO, G. de M.
773 $tTheoretical Ecology$gv. 12, p. 307-318, 2019.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Algodão. Para informações adicionais entre em contato com cnpa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
16/01/2008 |
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Data da última atualização: |
16/01/2008 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Circulação/Nível: |
-- - -- |
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Autoria: |
AZEVEDO, D. M. P. de; BELTRÃO, N. E. de M.; SEVERINO, L. S. |
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Afiliação: |
Demóstenes Marcos Pedrosa de Azevedo, Embrapa Algodão; Napoleão Esberard de Macêdo Beltrão, Embrapa Algodão; Liv Soares Severino, Embrapa Algodão. |
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Título: |
Manejo Cultural |
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Edição: |
2 ed. rev. amp. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
In: AZEVEDO, D. M. P. de; BELTRÃO, N. E. de M. O Agronegócio da mamona no Brasil. Campina Grande: Embrapa Algodão, 2007. |
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Páginas: |
p. 225-253 |
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ISBN: |
978-85-7383-381-2 |
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Idioma: |
Português |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00515naa a2200169 a 4500
001 1276290
005 2008-01-16
008 2007 bl uuuu u00u1 u #d
020 $a978-85-7383-381-2
100 1 $aAZEVEDO, D. M. P. de
245 $aManejo Cultural
250 $a2 ed. rev. amp.
260 $c2007
300 $ap. 225-253
700 1 $aBELTRÃO, N. E. de M.
700 1 $aSEVERINO, L. S.
773 $tIn: AZEVEDO, D. M. P. de; BELTRÃO, N. E. de M. O Agronegócio da mamona no Brasil. Campina Grande: Embrapa Algodão, 2007.
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